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491.

Which of the following formula for columns takes into account any initial crookedness of the column and imperfectness of axial loading?

A.	Rankiness formula	B.	Euler's formula
C.	Perry Robertson formula	D.	Secant formula

492.

Rinkine-Gordon formula for buckling load is adopted for columns having slenderness ratio between

A.	10 and 30	B.	30 and 50
C.	50 and 100	D.	120 and 200

493.

According to IS 800, the lacing bars should resist a transverse shear equal to

A.	2.50%	B.	7.50%
C.	12.50%	D.	17.50%

494.

Slenderness ratio of the lacing bar for compression member should not exceed

A.	100	B.	125
C.	145	D.	175

495.

Which of the following statement about wire ropes is not correct?

A.	Wire ropes have the disadvantage of rigidity and poor strength	B.	Wire ropes require special fittings for proper end connections
C.	Wire ropes are given initial tension	D.	Wire ropes are used as guy wires with the steel towers

496.

The light gauge steel structural members are generally

A.	hot rolled	B.	cold formed
C.	fabricated fromthick sections	D.	casted

497.

The basic design stress adopted for the design of light gauge steel members is

A.	the permissible stress	B.	the yied stress
C.	the stress at limit of proportionality	D.	the yield stress divided by 1.85

498.

The shape or form factor is introduced in the design of compression members to represent the effect of

A.	diagonal buckling	B.	post buckling
C.	local buckling	D.	vertical buckling

499.

In general, the bunkers are constructed

A.	square and rectangular in plan	B.	circular and polygonal in plan
C.	elliptical in plan	D.	hexagonal in plan

500.

The bunkers are the containers in which the plan of rupture intersects

A.	the bottom surface of material stored	B.	the top surface of material stored
C.	the opposite face (wall) near the top	D.	the opposite face (wall) near the bottom